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Old 03-21-2015, 11:35 AM
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Are braided hoses a good replacement for the hard pre-bent brake lines?

Ive got an 84 cutlass.....upgrading the brake system. Ive got the hydraboost brake assist with wilwood master, 14in wilwood 6 piston on front and 12.88in with 4 piston on back. The proportional valve is now on the master instead of the original frame location. I'd like to run stainless steel braided lines to both fronts and to the rear. Is this a good idea? I was told that its not a good idea because the hoses would flex. But i was also told that the braided hoses would give better pressure. Whats your thoughts??

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Old 03-21-2015, 11:51 AM
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Yep. The tradeoff is the cost. Quality lines will flex far far less than cheapos.
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Old 03-21-2015, 12:00 PM
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Use metal tubing that is made for brake line (double wall tubing)
You can mount the new valve down where the old one was ,it would make a cleaner look.
Avoid the New copper looking tubing for your project. Brake fluid draws copper, and that makes it contaminated. Using a line with a higher copper content , although may still be safe, could cause extra corrosion in the system due to electrolosys...etc.
Use good stuff, get good results.
I have used the copper alloy stuff in the past, Usually on a car that doesn't have much life left in it anyway, just to keep labor times down for a customer as it is easier to use.
I prefer to use steel line and do a nice bending job.
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Old 03-21-2015, 12:08 PM
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Although I can see it working, stainless braided cost is what would prevent me from doing it. If this was a show car on the circuit, the cost may be justified, but on a daily driver I would plumb it with sticks of steel tubing from AutoZone and use insulated Adel clamps every 16" or so along the frame. Don't ever run brake lines in the driveshaft tunnel.
Longacre 47500 Adel Line Clamps - 1 3/16" Id #16 An Lines (Pack Of 10)
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Old 03-21-2015, 12:14 PM
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Yes its a show/street car. Not a daily driver....but will be driven a bit.
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Old 03-21-2015, 12:17 PM
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So you all are saying yes they will work just as good if not better......but the cost is the contributing factor. Run the hoses along the frame just as the metal lines are ran......and put a clamp on em every 12-16 inches??
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Old 03-21-2015, 12:25 PM
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NO..
we are not saying the braided stuff will be just as good.
We are saying run steel line, dual wall, made for brake lines.
Using the braided line will make the brakes feel spongy, as they will still expand under pressure absorbing some of the braking pressure.
It will be expensive and will probably be a bigger PITA to use than plain ol tubing.
Why do you want to run SS braid anyway. Flairing tubing is a snap.
You can get the tubing in a bulk roll of 25 or 50 feet .
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Old 03-21-2015, 12:30 PM
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Quote:
Originally Posted by labreejr View Post
I was told that its not a good idea because the hoses would flex. But i was also told that the braided hoses would give better pressure. Whats your thoughts??


SS braided hoses are made to flex...where they need to flex.Example: where the line needs to jump from the frame to the wheel as the wheel is moving up and down and turning.
Braided hoses give better pressure? Not sure how to even understand that.
But Braided hose will absorb some braking pressure making the pedal feel spongy. That does not give me a warm fuzzy feeling.
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Old 03-21-2015, 12:40 PM
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Ok....understood.
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Old 03-21-2015, 01:14 PM
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Quote:
Originally Posted by LATECH View Post
SS braided hoses are made to flex...where they need to flex.Example: where the line needs to jump from the frame to the wheel as the wheel is moving up and down and turning.
Braided hoses give better pressure? Not sure how to even understand that.
But Braided hose will absorb some braking pressure making the pedal feel spongy. That does not give me a warm fuzzy feeling.

When racers are looking for every single little tiny bit of additional feel in the wheel and brakes(the only tools you have inside the car) then everyone would be using steel. Most don't and you would need to be one of the best racers in the world to even tell the difference. Spongy? flexing? loss of pedal? Not at the brake pressure levels a street car will see. That feel is even more reduced with an assisted brake pressure.

Your losing so much feel already in the pads, rotors, calipers, that a braided brake line won't make a bit of difference. My opinion is based on 30 years of racing cars. Dirt, drag, street, baja, offroad, and asphalt.
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Old 03-21-2015, 01:35 PM
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Quote:
Originally Posted by LATECH View Post
NO..
we are not saying the braided stuff will be just as good.
We are saying run steel line, dual wall, made for brake lines.
Using the braided line will make the brakes feel spongy, as they will still expand under pressure absorbing some of the braking pressure.
It will be expensive and will probably be a bigger PITA to use than plain ol tubing.
Why do you want to run SS braid anyway. Flairing tubing is a snap.
You can get the tubing in a bulk roll of 25 or 50 feet .
well said latech. saved me a lot of typing
you actually want to minimize the amount of flex hose for a brake system
hydraulic brakes depend on a little fluid in the mc to do a lot of work, like braking
the more flex line you have the more spongy feel you will have

i take exception to buying bulk rolls of brake line as rolled tubing never looks as good as straight line tubing
plus you can go into any auto parts store and buy a variety of straight length tube
you can run a whole car without ever flaring a brake line

i did my 58 truk's brakes with a ss straight line tube kit from inline tube, it came with 5- 5 foot lengths of ss tube
by buying a few 8'' and 12'', i was able to keep my cutting and flaring down to about 10 flares
anyone that has ever flared ss tubing will know how hard flaring ss is compared to mild steel
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Old 03-21-2015, 04:18 PM
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Absolutely Ogre. SS is hard to work with.
I have used pre made tubes in lengths, and the rolls as well. I like the rolls cause you can go all the way to the back with just 2 flares.
I do like the lengths also, especially for a quick repair on a short section.
You know what I mean. We both live in the rust belt.
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